more fixes

backend/app/__init__.py

@@ -29,17 +29,15 @@ def create_app(config_name=None):
         db.create_all()
         _run_migrations()
 
-    @app.route('/', defaults={'path': ''})
-    @app.route('/<path:path>')
-    def serve_react(path):
-        static_folder = app.static_folder
-        if path and os.path.exists(os.path.join(static_folder, path)):
-            return send_from_directory(static_folder, path)
-        return send_from_directory(static_folder, 'index.html')
-    
+    @app.route('/')
+    def index():
+        return send_from_directory(app.static_folder, 'index.html')
+
     @app.errorhandler(404)
-    def not_found(e):
-        return jsonify({'error': 'Resource not found', 'message': str(e)}), 404
+    def handle_404(e):
+        if request.path.startswith('/api/'):
+            return jsonify({'error': 'Resource not found', 'message': str(e)}), 404
+        return send_from_directory(app.static_folder, 'index.html')
 
     @app.errorhandler(400)
     def bad_request(e):